# Zero Gravity App vs Action Fitness

The clearest difference is update cadence: Action Fitness at every 2 months against Zero Gravity App's every 42 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Zero Gravity App ships an update every 42 months, Action Fitness every 2 months. The most recent releases landed on October 26, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Zero Gravity App | Action Fitness |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 2 months** |
| Size | 18 MB | 79 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kostas Kousinovalis](https://appshunter.io/developer/762128160) | [Webbinart Ltd](https://appshunter.io/developer/1481047040) |

## What reviewers say

### Zero Gravity App

[App page](https://appshunter.io/ios/app/zero-gravity-app/id1489242961)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Action Fitness

[App page](https://appshunter.io/ios/app/action-fitness/id6477772955)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Zero Gravity App free?

Zero Gravity App is free to download, with no in-app purchases.

### Is Action Fitness free?

Action Fitness is free to download, with no in-app purchases.

### Do Zero Gravity App or Action Fitness have ads?

Neither Zero Gravity App nor Action Fitness shows ads.

### Which is updated more often, Zero Gravity App or Action Fitness?

Zero Gravity App ships an update every 42 months, and Action Fitness every 2 months. Most recently, Zero Gravity App was updated on October 26, 2026 and Action Fitness on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*